WMF 800 - Page 28

Boiler water system
T2-17
© WMF800 / 900 / 1000S / 1000proS Edition 07/2014 - KMT
Service life: valves
Brewvalve,hotwatervalve,
releasevalve
maximum2yearsor30.000brewingcycles(hot
watervalveisalsoreplacedduringthismaintenance)
Steamboilerinletvalve maximum6years
Technician instructions
Beforereplacingaleakingvalve,alwaysexaminethedescalingandlterchange
counteranddescalethecoffeemachine.
Valvesmaynotbeopened.
Itmustbereplaced,completewithallo-rings(withoutthesolenoid.)
Error without display message
• Fluctuatingbeverageamountswithvalveleakage
• Defectivereleasevalve:coffeeorlotsofwaterinthedriptray
See instructions, error messages, troubleshooting
Part 6